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2. Which of the following bari0m salts hould dissolve in a A solution is prepared initially conta...
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2. A solution is 0.10M in Mg(NO3)2. a. What concentration of OH is required to just start precipitation of Mg(OH)2? (Kap 1.5x101) b. If NH3/NH buffer is used to control the pH, and [NHs] 0.10 M, what concentration of NH is required to prevent the precipitation of Mg(OH)2? 3. Solid AgNOs is slowly added to a solution that is 0.001OM in NaCl, NaBr...
1) Write the solubility-product expression for the following mercury salts: Hg2Cl2 and HgCl2. 2) Exactly 0.133...
1) Write the solubility-product expression for the following mercury salts: Hg2Cl2 and HgCl2. 2) Exactly 0.133 mg of AgBr will dissolve in 1.00 L of water. What is the value of Ksp for AgBr? 3) By experiment, it is found that 1.2 x 10-3 mol of lead (II) iodide, PbI2, dissolves in 1.0 L of water at 25°C. What is the Ksp at this temperature? 4) What is the molar solubility of silver chloride in 1.0 L of solution that...
Calculate the concentration of each ion present in solution when each of the following salts is...
Calculate the concentration of each ion present in solution when each of the following salts is placed in water and allowed to reach equilibrium. a. Zns Fe(OH)2 What is the solubility in grams per liter (g/L) for each of the following salts CO a Agbr Fe(OH)3
A saturated solution of calcium iodate contains 2.37 g/L of Ca(IO3)2. (a) What is the solubility...
A saturated solution of calcium iodate contains 2.37 g/L of Ca(IO3)2. (a) What is the solubility of calcium iodate in mol/L? (b) What are the concentrations of Ca2+ and IO3 – ion, respectively, in the saturated solution? (c) Calculate the Ksp value for Ca(IO3)2. Part b ) Silver ion, Ag+ , readily forms complex ion, Ag(S2O3)2 3– , with thiosulfate, S2O3 2– , according to the following equation: Ag+ (aq) + 2S2O3 2– (aq) ⇌ Ag(S2O3)2 3– (aq); Kf =...
ANSWER ALL PARTS 1. Determine the molar solubility of AgBr in a 0.50 M NH3 solution....
ANSWER ALL PARTS 1. Determine the molar solubility of AgBr in a 0.50 M NH3 solution. The Ksp for AgBr is 5.0 x 10-13 and the Kf for Ag(NH3)2+is 1.7 x 107. 2. How many unpaired electrons are there in the Zn2+ ion in the Zn(NH3)62+ complex ion? 3. Which of the following complex ions will absorb the shortest wavelength of visible light? Ni(CN)64- Ni(NH3)62+ Ni(H2O)62+ NiCl64-
the molecular complex Cd(CN)2-4 dissociates in water 5) The molecular complex Cd(CN).- dissociates in water by...
the molecular complex Cd(CN)2-4 dissociates in water
5) The molecular complex Cd(CN).- dissociates in water by the process Cd(CN) ? (aq) 5 C&'(aq) + 4 CN Kc = 1.3 x 10-17 The initial concentration of Ca(CN)6?- in an aqueous solution is 0.0360 M. No cd or CN ions are initially present. What is the concentration of Cd²+ ion present when equilibrium is achieved? (12 points)
Assuming 5mL of NaCl solution is used, what will be equilibrium constant? Please provide explanation for steps. Than...
Assuming 5mL of NaCl solution is used, what will be
equilibrium constant? Please provide explanation for steps.
Thank you!
1. Using a graduated cylinder to measure volumes, combine 3.0 mL of 0.10 M AgNO, with 3.0 ml of 1.0 M NH3 in a 15 x 150 mm test tube. Swirl to combine and set aside. 2. Prepare 0.02 M NaCI. Pour 0.1 M NaCl into a graduated cylinder to the 2-mL mark. Record the exact volume to two decimal places....
Consider the following colligative properties of an aqueous glycol (nonvolatile molecule) solution. Is each property lower...
Consider the following colligative properties of an aqueous glycol (nonvolatile molecule) solution. Is each property lower than, equal to, or higher than that of water? Vapor pressure: ____ Freezing point: _____ Boiling point: _____ What are three factors which control reaction rate? Would you increase or decrease each of the three factors to speed up a chemical reaction rate? a) Factor 1: _____ b) Factor 2: _____ c) Factor 3: _____ For the equilibrium, N_2O_4(g, colorless) rightarrow 2NO_2(g, orange) delta...
5. Which of the following would decrease the K for PbCl2? 2. Lower the pH of...
5. Which of the following would decrease the K for PbCl2? 2. Lower the pH of the solution b. Add a solution of Pb(NO3)2 c. Add a solution of KCI d. Both band e. None of the above the Ky of a compound is constant at constant tempera mperature, 6. In which of the following aqueous solutions would you expect AgBr to have the HIGHES solubility? a. 0.10 M LIBE b. 0.10 M AgNO3 c. 0.20 M NaBr d. 0.15...
5) Which of the following salts forms aqueous solutions with pli>T! Na:CO, e. Na SO, NaBr...
5) Which of the following salts forms aqueous solutions with pli>T! Na:CO, e. Na SO, NaBr d. NHL.CI 6) Which of the following is not a buffer system solution containing roughly equal concentrations of fluoride ion and hydrofluoric acid. c. phosphate ion and monophosphate ion. chloride ion and hydrochloric acid. d s ulfite ion and bisulfite ion. 7) What is indicated by the shape of the titration curve? b. Volume of titrant a. A diprotic acid was titrated with a...
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2. A solution is 0.10M in Mg(NO3)2. a. What concentration of OH is required to just start precipitation of Mg(OH)2? (Kap 1.5x101) b. If NH3/NH buffer is used to control the pH, and [NHs] 0.10 M, what concentration of NH is required to prevent the precipitation of Mg(OH)2? 3. Solid AgNOs is slowly added to a solution that is 0.001OM in NaCl, NaBr...
Calculate the concentration of each ion present in solution when each of the following salts is placed in water and allowed to reach equilibrium. a. Zns Fe(OH)2 What is the solubility in grams per liter (g/L) for each of the following salts CO a Agbr Fe(OH)3
the molecular complex Cd(CN)2-4 dissociates in water
5) The molecular complex Cd(CN).- dissociates in water by the process Cd(CN) ? (aq) 5 C&'(aq) + 4 CN Kc = 1.3 x 10-17 The initial concentration of Ca(CN)6?- in an aqueous solution is 0.0360 M. No cd or CN ions are initially present. What is the concentration of Cd²+ ion present when equilibrium is achieved? (12 points)
Assuming 5mL of NaCl solution is used, what will be
equilibrium constant? Please provide explanation for steps.
Thank you!
1. Using a graduated cylinder to measure volumes, combine 3.0 mL of 0.10 M AgNO, with 3.0 ml of 1.0 M NH3 in a 15 x 150 mm test tube. Swirl to combine and set aside. 2. Prepare 0.02 M NaCI. Pour 0.1 M NaCl into a graduated cylinder to the 2-mL mark. Record the exact volume to two decimal places....
Consider the following colligative properties of an aqueous glycol (nonvolatile molecule) solution. Is each property lower than, equal to, or higher than that of water? Vapor pressure: ____ Freezing point: _____ Boiling point: _____ What are three factors which control reaction rate? Would you increase or decrease each of the three factors to speed up a chemical reaction rate? a) Factor 1: _____ b) Factor 2: _____ c) Factor 3: _____ For the equilibrium, N_2O_4(g, colorless) rightarrow 2NO_2(g, orange) delta...
5. Which of the following would decrease the K for PbCl2? 2. Lower the pH of the solution b. Add a solution of Pb(NO3)2 c. Add a solution of KCI d. Both band e. None of the above the Ky of a compound is constant at constant tempera mperature, 6. In which of the following aqueous solutions would you expect AgBr to have the HIGHES solubility? a. 0.10 M LIBE b. 0.10 M AgNO3 c. 0.20 M NaBr d. 0.15...
5) Which of the following salts forms aqueous solutions with pli>T! Na:CO, e. Na SO, NaBr d. NHL.CI 6) Which of the following is not a buffer system solution containing roughly equal concentrations of fluoride ion and hydrofluoric acid. c. phosphate ion and monophosphate ion. chloride ion and hydrochloric acid. d s ulfite ion and bisulfite ion. 7) What is indicated by the shape of the titration curve? b. Volume of titrant a. A diprotic acid was titrated with a...
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